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GERTSCH MODEL PT-4 STANDARD RATIO TRANSFORMER, US $227 – Picture 0
GERTSCH MODEL PT-4 STANDARD RATIO TRANSFORMER, US $227 – Picture 0

Gertsch Model Pt-4 Standard Ratio Transformer

US $227

  • Jericho, New York, United States
  • Jun 23rd
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YOU ARE BIDDING ON ONE: GERTSCH MODEL PT-4 STANDARD RATIO TRANSFORMER  What you see is what you get.   This item came from a working Repair/Calibration shop that was closed in the 90's.It has been sitting on the shelf since then.  AS IS No refunds A ratio transformer is an adjustable precision AC voltage divider. An obvious parallel would be a 10-turn precision potentiometer, which "divides" the voltage present at the outside terminals. These typically have a linearity of 0.25 percent, although some are rated as tightly as 0.05 percent. But a Gertsch AC Ratio Standard has a rated terminal linearity of 0.0001 percent.

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